-5x^2=-7x+14

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Solution for -5x^2=-7x+14 equation:


Simplifying
-5x2 = -7x + 14

Reorder the terms:
-5x2 = 14 + -7x

Solving
-5x2 = 14 + -7x

Solving for variable 'x'.

Reorder the terms:
-14 + 7x + -5x2 = 14 + -7x + -14 + 7x

Reorder the terms:
-14 + 7x + -5x2 = 14 + -14 + -7x + 7x

Combine like terms: 14 + -14 = 0
-14 + 7x + -5x2 = 0 + -7x + 7x
-14 + 7x + -5x2 = -7x + 7x

Combine like terms: -7x + 7x = 0
-14 + 7x + -5x2 = 0

Begin completing the square.  Divide all terms by
-5 the coefficient of the squared term: 

Divide each side by '-5'.
2.8 + -1.4x + x2 = 0

Move the constant term to the right:

Add '-2.8' to each side of the equation.
2.8 + -1.4x + -2.8 + x2 = 0 + -2.8

Reorder the terms:
2.8 + -2.8 + -1.4x + x2 = 0 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + -1.4x + x2 = 0 + -2.8
-1.4x + x2 = 0 + -2.8

Combine like terms: 0 + -2.8 = -2.8
-1.4x + x2 = -2.8

The x term is -1.4x.  Take half its coefficient (-0.7).
Square it (0.49) and add it to both sides.

Add '0.49' to each side of the equation.
-1.4x + 0.49 + x2 = -2.8 + 0.49

Reorder the terms:
0.49 + -1.4x + x2 = -2.8 + 0.49

Combine like terms: -2.8 + 0.49 = -2.31
0.49 + -1.4x + x2 = -2.31

Factor a perfect square on the left side:
(x + -0.7)(x + -0.7) = -2.31

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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